package org.hnsd.train.design.lsp;

import java.util.Collection;
import java.util.HashMap;

/**
 * @author youqd
 * @tag.date 2023-10-25 15:11
 **/
public class Father {
    public Collection doSomething(HashMap map){
        System.out.println("父类被执行...");
        return map.values();
    }
}
